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path: root/drivers/net/wireless/intel/iwlwifi/mld/roc.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mld/roc.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mld/roc.c105
1 files changed, 73 insertions, 32 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/roc.c b/drivers/net/wireless/intel/iwlwifi/mld/roc.c
index b87faca23ceb..e85f45bce79a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/roc.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/roc.c
@@ -31,13 +31,54 @@ iwl_mld_vif_iter_emlsr_block_roc(void *data, u8 *mac, struct ieee80211_vif *vif)
*result = ret;
}
+struct iwl_mld_roc_iter_data {
+ enum iwl_roc_activity activity;
+ struct ieee80211_vif *vif;
+ bool found;
+};
+
+static void iwl_mld_find_roc_vif_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif);
+ struct iwl_mld_roc_iter_data *roc_data = data;
+
+ if (mld_vif->roc_activity != roc_data->activity)
+ return;
+
+ /* The FW supports one ROC of each type simultaneously */
+ if (WARN_ON(roc_data->found)) {
+ roc_data->vif = NULL;
+ return;
+ }
+
+ roc_data->found = true;
+ roc_data->vif = vif;
+}
+
+static struct ieee80211_vif *
+iwl_mld_find_roc_vif(struct iwl_mld *mld, enum iwl_roc_activity activity)
+{
+ struct iwl_mld_roc_iter_data roc_data = {
+ .activity = activity,
+ .found = false,
+ };
+
+ ieee80211_iterate_active_interfaces_mtx(mld->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mld_find_roc_vif_iter,
+ &roc_data);
+
+ return roc_data.vif;
+}
+
int iwl_mld_start_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_channel *channel, int duration,
enum ieee80211_roc_type type)
{
struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw);
struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif);
- struct iwl_mld_int_sta *aux_sta;
+ struct iwl_mld_int_sta *aux_sta = &mld_vif->aux_sta;
struct iwl_roc_req cmd = {
.action = cpu_to_le32(FW_CTXT_ACTION_ADD),
};
@@ -49,38 +90,40 @@ int iwl_mld_start_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
lockdep_assert_wiphy(mld->wiphy);
- ieee80211_iterate_active_interfaces_mtx(mld->hw,
- IEEE80211_IFACE_ITER_NORMAL,
- iwl_mld_vif_iter_emlsr_block_roc,
- &ret);
- if (ret)
- return ret;
-
- /* TODO: task=Hotspot 2.0 */
- if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
+ if (vif->type != NL80211_IFTYPE_P2P_DEVICE &&
+ vif->type != NL80211_IFTYPE_STATION) {
IWL_ERR(mld, "NOT SUPPORTED: ROC on vif->type %d\n",
vif->type);
return -EOPNOTSUPP;
}
- switch (type) {
- case IEEE80211_ROC_TYPE_NORMAL:
- activity = ROC_ACTIVITY_P2P_DISC;
- break;
- case IEEE80211_ROC_TYPE_MGMT_TX:
- activity = ROC_ACTIVITY_P2P_NEG;
- break;
- default:
- WARN_ONCE(1, "Got an invalid P2P ROC type\n");
- return -EINVAL;
+ if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
+ switch (type) {
+ case IEEE80211_ROC_TYPE_NORMAL:
+ activity = ROC_ACTIVITY_P2P_DISC;
+ break;
+ case IEEE80211_ROC_TYPE_MGMT_TX:
+ activity = ROC_ACTIVITY_P2P_NEG;
+ break;
+ default:
+ WARN_ONCE(1, "Got an invalid P2P ROC type\n");
+ return -EINVAL;
+ }
+ } else {
+ activity = ROC_ACTIVITY_HOTSPOT;
}
- if (WARN_ON(mld_vif->roc_activity != ROC_NUM_ACTIVITIES))
+ /* The FW supports one ROC of each type simultaneously */
+ if (WARN_ON(iwl_mld_find_roc_vif(mld, activity)))
return -EBUSY;
- /* No MLO on P2P device */
- aux_sta = &mld_vif->deflink.aux_sta;
+ ieee80211_iterate_active_interfaces_mtx(mld->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mld_vif_iter_emlsr_block_roc,
+ &ret);
+ if (ret)
+ return ret;
ret = iwl_mld_add_aux_sta(mld, aux_sta);
if (ret)
@@ -91,9 +134,6 @@ int iwl_mld_start_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
cmd.channel_info.channel = cpu_to_le32(channel->hw_value);
cmd.channel_info.band = iwl_mld_nl80211_band_to_fw(channel->band);
cmd.channel_info.width = IWL_PHY_CHANNEL_MODE20;
- /* TODO: task=Hotspot 2.0, revisit those parameters when we add an ROC
- * on the BSS vif
- */
cmd.max_delay = cpu_to_le32(AUX_ROC_MAX_DELAY);
cmd.duration = cpu_to_le32(MSEC_TO_TU(duration));
@@ -105,6 +145,7 @@ int iwl_mld_start_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
IWL_ERR(mld, "Couldn't send the ROC_CMD\n");
return ret;
}
+
mld_vif->roc_activity = activity;
return 0;
@@ -136,9 +177,9 @@ static void iwl_mld_destroy_roc(struct iwl_mld *mld,
* we can flush the Tx on the queues
*/
- iwl_mld_flush_link_sta_txqs(mld, mld_vif->deflink.aux_sta.sta_id);
+ iwl_mld_flush_link_sta_txqs(mld, mld_vif->aux_sta.sta_id);
- iwl_mld_remove_aux_sta(mld, vif, &vif->bss_conf);
+ iwl_mld_remove_aux_sta(mld, vif);
}
int iwl_mld_cancel_roc(struct ieee80211_hw *hw,
@@ -156,8 +197,8 @@ int iwl_mld_cancel_roc(struct ieee80211_hw *hw,
lockdep_assert_wiphy(mld->wiphy);
- /* TODO: task=Hotspot 2.0 */
- if (WARN_ON(vif->type != NL80211_IFTYPE_P2P_DEVICE))
+ if (WARN_ON(vif->type != NL80211_IFTYPE_P2P_DEVICE &&
+ vif->type != NL80211_IFTYPE_STATION))
return -EOPNOTSUPP;
/* No roc activity running it's probably already done */
@@ -192,10 +233,10 @@ void iwl_mld_handle_roc_notif(struct iwl_mld *mld,
{
const struct iwl_roc_notif *notif = (void *)pkt->data;
u32 activity = le32_to_cpu(notif->activity);
- /* TODO: task=Hotspot 2.0 - roc can run on BSS */
- struct ieee80211_vif *vif = mld->p2p_device_vif;
struct iwl_mld_vif *mld_vif;
+ struct ieee80211_vif *vif;
+ vif = iwl_mld_find_roc_vif(mld, activity);
if (WARN_ON(!vif))
return;